technical specification » Motocross

2011 Kawasaki KX 250 F Specs, Engine Features, Overview, and Video

jess — Mon, 02 May 2011 18:21:00 +0000

The 2011 Kawasaki KX 250 F is a 232-pounds motocross, powered by a 249cc, liquid-cooled, four-stroke, single cylinder, DOHC engine. New is the lightweight injection system comprising an ECU, 43 mm diameter throttle body, aluminum fuel pump and a single injector. The piston crown is also reshaped to get achieve higher compression of 13.5:1. Handling is light with the slim and rigid aluminum perimeter frame. The suspension system has a race-oriented damping setting, Separate Function front Fork (SFF), and helps achieve good rear-wheel traction. Other equipments of this dirt track-ready bike include slim urethane seat with slip-resistant surface that provides good grip, 50m wide footpegs, thick front fender, and black alumite-coated rims.

Below table outlines detailed information regarding the 2011 Kawasaki KX 250 F Specs (technical specification) and Data which cover engine system, power and torque, transmission, wheel, brakes, suspension, chassis, dimension and fuel requirements and specs.

Model Type
Country of Origin
ENGINE
Engine type
Stroke
Cylinder
Valves / Valve per cylinder
Valves configuration
Displacement
Bore x Stroke
Compression ratio
Starter
Cooling system
Fuel Requirement
Fuel System
Ignition
TRANSMISSION
Transmission Type
Final drive
Final drive gearing
Gear ratio
Clutch
WHEELS & TIRES
Front Tire
Rear Tire
BRAKES & SUSPENSION
Front Brake
Rear Brake
Suspension brand name
Front suspension type

Rear suspension type

Suspension travel
DIMENSION & OTHER SPECS
Frame
Steering control (handlebar)
Exhaust system
Overall Length
Overall Width
Overall Height
Seat Height
Steering Angle (left/right)
Rake
Trail
Ground clearance
Wheelbase
Curb Weight
Lubrication
Fuel tank capacity

: Off-road, motocross
: Japan
:
: Single-cylinder
: 4-Stroke
: 1
: 4 / 4
: DOHC
: 249 cc
: 77 x 53.6 mm
: 13.5:1
: Kick (primary)
: Liquid
: Regular gas
: Fuel injection, 43 m Keihin throttle
: Digital DC-CDI
:
: Five-speed with
: Chain
: 12/50
: 2.142 / 1.750 / 1.44 / 1.235 / 1.045
: Wet multi-disc manual clutch , cable actuation
;
: Bridgestone M403 80/100-21
: Bridgestone M404 100/80-19
:
: Single semi-floating 250mm petal disc w/ dual piston caliper
: Single 240mm petal disc w/ single-piston caliper
: Showa
: 47mm Inverted Showa SFF telescopic fork w/ spring preload
adjustability, 22-position compression, 20-position rebound
damping adjustability
: Uni-Trak® linkage system and Showa shock w/ 19-position low
speed and stepless high-speed compression damping, 22
position rebound damping and fully adjustable spring preload
: 12.4 in. – front , 12.2 in. – rear
:
: Aluminum perimeter
: Renthal
: Stainless steel w/ higher volume muffler assembly
: 85.4 in.
: 32.3 in.
: 50.0 in.
: 37.2 in.
: 42 degrees / 42 degrees
: 28.2 degrees
: 4.7 in. (120.2 mm)
: 13 in.
: 58.1in.
: 232.7 lbs.
: Forced lubrication, semi-dry sump
: 1.9 gal.

Watch the 2011 Kawasaki KX 250 F on YouTube.com

2011 Suzuki RM-Z450 Specs, Engine Features, and Overview

jess — Sun, 17 Apr 2011 03:50:00 +0000

The 2011 Suzuki RM-Z450 is a 249 lbs. FIM/AMA Supercross Championship winner off-road motocrosser, motored by a 449 cc water-cooled single cylinder DOHC engine. It uses 5-speed constant mesh gearbox with a light clutch pull. Performance is consistent across fast laps, the torque chart shows a slight down movement off the bottom before climbing to the mid-range and strats to sign off at around 7500 rpm. Handling offers good steering control. The bike is fine tuned to include new less-noisier muffler and exhaust pipe to comply with 94db AMA noise limits, higher compression ratio of 12.5 to 1, revised intake and exhaust timing of the fuel injection, and changed ECU setting.

Below table outlines detailed information regarding the 2011 Suzuki RM-Z450 Specs (technical specification) and Data which cover engine system, power and torque, transmission, wheel, brakes, suspension, chassis, dimension and fuel requirements and specs.

Model Type
Country of Origin
ENGINE
Engine type
Stroke
Cylinder
Valves / Valve per cylinder
Valves configuration
Displacement
Bore x Stroke
Compression ratio
Starter
Cooling system
Fuel Requirement
Fuel System
Ignition
TRANSMISSION
Transmission Type
Final drive
Clutch
WHEELS & TIRES
Wheels Type / Composition
Tube / Tubeless
Front Tire
Rear Tire
BRAKES & SUSPENSION
Front Brake
Rear Brake
Suspension brand name
Front suspension type
Rear suspension type
Suspension travel
Number of shock absorbers
Rear suspension material
DIMENSION & OTHER SPECS
Frame
Steering control
Overall Length
Overall Width
Seat Height
Seat Type
Rake
Trail
Ground clearance
Wheelbase
Wet Weight
Lubrication
Fuel tank capacity

: Standard
: Japan
:
: Single-cylinder
: 4-Stroke
: 1
: 4 / 4
: DOHC
: 449 cc (27.4 cu.in.)
: 3.78 x 2.46 in.
: 12.5:1
: Kick
: Liquid
: Regular gas
: Fuel injection , Keihin throttle body
: Digital CDI
:
: 5-speed, manual
: Chain, , DID520MXV4, 114 links
: Wet, multiple discs, cable operated
;
: Aluminum, multi-spoke
: Tubed
: Dunlop® 80/100 R21 51M
: Dunlop® 110/90 R19 62M
:
: Hydraulic disc
: Hydraulic disc
: Showa®
: 47 mm Telescopic Fork
: Twin Sided Swing Arm
: n/a – front , 12.2 in. – rear
: 1
: Aluminum
:
: Twin spar aluminum frame and swingarm
: Handlebar
: 86.2 in.
: 32.7 in.
: 37.6 in.
: One-piece, Driver, Vinyl
: 29.8°
: 5.1 in. (130 mm)
: 12.8 in.
: 58.9 in.
: 249.1 lbs. (113 kg)
: Wet sump
: 1.6 gallon (6.2 liter)

Watch the 2011 Suzuki RM-Z450 Video on YouTube.com

2011 Suzuki RM-Z250 Specs, Engine Features, and Overview

jess — Sat, 16 Apr 2011 14:52:00 +0000

The 2011 Suzuki RM-Z250 is a dirt-track ready off-road motorcycle with smooth engine output. It is driven by a 249cc, fuel injected, 4-stroke, 4-valves single-cylinder engine with a mid-range punch and 13500 maximum rpm. Refinements in the 2011 RM-Z250 include a quieter muffler that meets AMA Motocross 94db noise limit, exhaust pipe length adjustment, updated ECU setting to provide more linear acceleration, and revised radiator hose routing for better cooling. Transmission system is a 5-speed constant mesh focusing on 3rd and 4th gear, that offers flexibility and gear ratios suited for various terrains. Lubrication has also been improved, on the centre of the clutch. It’s ergonomic design produce a thin ride and good grip for the rider, with aluminum alloy tapered handlebar, narrow aluminum fuel tank, gripper seat cover, and wide footpegs.

Below table outlines detailed information regarding the 2011 Suzuki RM-Z250 Specs (technical specification) and Data which cover engine system, power and torque, transmission, wheel, brakes, suspension, chassis, dimension and fuel requirements and specs.

Model Type
Country of Origin
ENGINE
Engine type
Stroke
Cylinder
Valves / Valve per cylinder
Valves configuration
Displacement
Bore x Stroke
Redline rpm
Compression ratio
Starter
Cooling system
Fuel Requirement
Fuel System
Ignition
TRANSMISSION
Transmission Type
Final drive
WHEELS & TIRES
Wheels Type / Composition
Tube / Tubeless
Front Tire
Rear Tire
BRAKES & SUSPENSION
Front Brake
Rear Brake
Suspension brand name
Front suspension type
Rear suspension type
Suspension travel
Number of shock absorbers
Rear suspension material
DIMENSION & OTHER SPECS
Frame
Steering control
Overall Length
Overall Width
Seat Height
Seat Type
Ground clearance
Wheelbase
Wet Weight
Lubrication
Fuel tank capacity

: Off-Road
: Japan
:
: Single-cylinder
: 4-Stroke
: 1
: 4 / 4, titan valves
: DOHC
: 249 cc (15.2 cu.in.)
: 3.03 x 2.11 in.
: 13500 rpm
: 13.4:1
: Kick
: Liquid
: Regular gas
: Fuel injection (EFI), 43 mm Keihin throttle body carburetor
: Electronic CDI
:
: 5-speed, manual
: Chain
;
: Aluminum
: Tubed
: Dunlop® 80/100 R21 51M
: Dunlop® 100/90 R19 57M
:
: Hydraulic disc, 250 mm, 2-piston caliper
: Hydraulic disc, 240 mm, 2-piston caliper
: Showa®
: 47 mm Telescopic Fork
: Twin Sided Swing Arm, piggyback shock
: 12.2 in. – front
: 1
: Aluminum
:
: Twin-spar aluminum
: Renthal Fatbars tapered handlebar
: 85.4 in.
: 32.7 in.
: 37.6 in.
: One-Piece, single rider (driver only), vinyl
: 13.6 in.
: 58.1 in.
: 230.4 lbs. (104.5 kg)
: Semi-dry sump
: 1.72 gallon (6.50 liter)

Watch the 2011 Suzuki RM-Z250 Video on YouTube.com

2011 Yamaha YZ450F Specs, Engine Features, and Overview

jess — Wed, 06 Apr 2011 07:37:00 +0000

The 2011 Yamaha YZ450F is a 449 cc dirtbike / motocrosser. Powertrain is a liquid-cooled, 4-stroke, fuel-injected, single cylinder with 4 titanium valves DOHC engine. It comprises of a bilateral beam aluminum chassis with hydroformed tapered aluminum swingarm, mounted atop a 21” front and 19” rear tires. It sports a slanted cylinder rearward with exhaust that exits from the rear of the cylinder to gain more balance. The handlebar adjusts to 4 different position having a 22mm fork off set of its triple clamps, and features Pro Taper bars and foam handlebar pad. A KYB fork front suspension uses Transfer Control Valve (TCV) to enhance damping force. Made for on the dirt action, the bike also comes with polypropylene engine and water pump guards, extra wide foot pegs, folding shift lever, and heavy-duty rubber swingarm protector.

Below table outlines detailed information regarding the 2011 Yamaha YZ450F Specs (technical specification) and Data which cover engine system, power and torque, transmission, wheel, brakes, suspension, chassis, dimension and fuel requirements and specs.

Model Type
Country of Origin
ENGINE
Engine type
Stroke
Cylinder
Valves / Valve per cylinder
Valves configuration
Displacement
Bore x Stroke
Compression ratio
Starter
Cooling system
Fuel System
Ignition
TRANSMISSION
Transmission Type
Number of speed
Final drive
Clutch
WHEELS & TIRES
Wheels Type / Composition
Tube / Tubeless
Front Tire
Rear Tire
BRAKES & SUSPENSION
Front Brake
Rear Brake
Front suspension type
Rear suspension type
Suspension travel
Number of shock absorbers
Rear suspension material
DIMENSION & OTHER SPECS
Frame
Steering control
Exhaust system
Overall Length
Overall Width
Overall Height
Seat Height
Seat Type
Ground clearance
Wheelbase
Wet Weight
Lubrication
Fuel tank capacity
Oil capacity

: Off-road / Motocross
: Japan
:
: Single-cylinder, 4 titanium valves
: 4-Stroke
: 1
: 4 /4
: DOHC
: 449 cc (27.4 cu.in.)
: 3.8 x 2.4 in.
: 12.5:1
: Kick
: Liquid
: Yamaha Fuel Injection (FYI), Keihin® 44mm
: CDI
:
: Manual, Constant mesh
: 5
: Chain
: Wet, multiplate
;
: Excel®, Chromed aluminum
: Tubed
: 80/100-21-Dunlop® D-742FA
: 120/80-19-Dunlop® D-756
:
: 250 mm Hydraulic disc
: 245mm Hydraulic disc
: KYB® Speed-Sensitive System, Inverted Fork, Fully adjustable
: KYB® Fully adjustable single shock, Twin Sided Swing Arm
: 12.2 in. – front , 12.4 in. – rear
: 1
: Aluminum
:
: Bilateral beam, Aluminum
: Handlebar
: Tornado design system
: 86.3 in.
: 32.4 in.
: 51.6 in.
: 39.3 in.
: One-piece, driver only
: 15 in.
: 58.7 in.
: 245 lbs.
: Dry sump
: 1.63 gal.
: 0.08 qts.

Watch the 2011 Yamaha YZ450F first ride Video by MotoUSA.com on YouTube.com

2009 Kawasaki KX250F Monster Energy Specs – Engine Features Picture and Video

jess — Fri, 04 Sep 2009 12:14:55 +0000

The 2009 Kawasaki KX250F Monster Energy is a motocross style motorcycle driven by a 249cc, liquid-cooled, four-stroke, four-valve, DOHC engine, combined with Keihin FCR37 carburetor and five-speed with wet multi-disc manual clutch transmission system produce hard-hitting power from mid- to high-rpm. The 2009 Kawasaki KX250F Monster Energy : Titanium Exhaust Pipe; New 6.4mm wider radiators; New Aluminum Perimeter Frame; New Aluminum Swingarm features new tapered “D” shaped cross section design is 5mm taller at the front (up from 74 to 79mm) and 2 mm shorter at the rear (down from 60 to 58mm); and many more advanced technologies.

Below tables outline detail technical specification and features technology of 2009 Kawasaki KX250F Monster Energy engine, transmission, frame, suspension, brake, wheel, tire, and physical dimension.

2009 Kawasaki KX250F Monster Energy Engine Transmission Specs

Engine type	Four-stroke single with DOHC and four valves
Capacity	249cc
Bore x stroke	77.0 x 53.6mm
Compression ratio	13.2:1
Fuel system	Keihin FCR37 and hot start circuit
Cooling system	Liquid
Ignition	Digital CDI with K-TRIC throttle position sensor
Transmission	Five-speed with wet multi-disc manual clutch
Final drive	Chain

2009 Kawasaki KX250F Monster Energy Frame Suspension and Brake Specs

Frame type	Aluminum perimeter
Front suspension	47mm inverted Showa twin-chamber telescopic fork with 16-way compression and rebound damping
Front wheel travel	12.4 in.
Rear suspension	UNI-TRAK® linkage system and Showa shock with 13-way low-speed and stepless high-speed compression damping, 17-way rebound damping and fully adjustable spring preload
Rear wheel travel	12.2 in.
Front brake	Single semi-floating 250mm petal disc with dual piston caliper
Rear brake	Single 240mm petal disc with single-piston caliper

2009 Kawasaki KX250F Monster Energy Tire and Physical Dimension Specs

Front tire size	80/100-21
Rear tire size	100/90-19
Wheelbase	57.9 in.
Rake	27.7 degrees
Trail	4.8 in.
Overall length	85.4 in.
Overall width	32.3 in.
Overall height	50.0 in.
Seat height	37.6 in.
Curb weight	229.9 lbs.
Fuel capacity	2.1 gal.

2009 Kawasaki KX250F Monster Energy features video on from Youtube.com

2009 Kawasaki KX450F Specs – Engine Features Picture and Video

jess — Sat, 29 Aug 2009 07:55:30 +0000

The 2009 Kawasaki KX450F is a motocross style motorcycle driven by a 449cc, liquid-cooled, four-stroke single with DOHC and four valve cylinder head engine, 96.0 x 62.1mm bore and stroke, 12.5:1 compression ratio, combined with 43mm Keihin Throttle body fuel injection system and five-speed transmission system generating 41.5 kW maximum power at 8,500rpm and 50.8 N.m maximum torque at 7,000 rpm. The 2009 Kawasaki KX450F features: All-New Fuel Injection, Ultra-fine atomizing injector with 12 holes sprays particles with a droplet size of 60µ for smooth power deliver and 43mm throttle body uses a progressive throttle linkage to deliver airflow; New Lightweight Aluminum Fuel Pump; 45° injector angle; Greater electrical output from the bigger ACG rotor provides the necessary electrical power; and many more advanced technologies.

Below tables outline detail technical specification and features technology of 2009 Kawasaki KX450F engine, transmission, frame, suspension, brake, wheel, tire, and physical dimension.

2009 Kawasaki KX450F Engine Transmission Specs

Engine type	Liquid-cooled, 4-stroke Single
Capacity	449 cc
Bore x stroke	96.0 x 62.1 mm
Compression ratio	12.5:1
Maximum torque	50.8 N.m at 7,000 rpm
Fuel system	Fuel Injection: ø 43 mm x 1 (Keihin)
Cooling system	Liquid
Ignition	DC-CDI
Transmission	Five-speed
Final drive	Chain
Primary Reduction Ratio	2.727 (60/22)
Gear ratio (1)	1.750 (28/16)
Gear ratio (2)	1.412 (24/17)
Gear ratio (3)	1.188 (19/16)
Gear ratio (4)	1.000 (19/19)
Gear ratio (5)	0.875 (21/24)
Final Reduction Ratio	3.846 (50/13)
Clutch	Wet multi-disc, manual

2009 Kawasaki KX450F Frame Suspension and Brake Specs

Frame type	Perimeter, Aluminium
Front suspension	48mm inverted, Kayaba AOS with DLC coated sliders, 22-position compression and 20-position rebound dampening adjustment
Front wheel travel	12.4 in.
Rear suspension	UNI-TRAK® linkage system and Kayaba shock with 22-position low-speed and stepless high-speed compression dampening, 22-position rebound dampening and fully adjustable spring preload
Rear wheel travel	12.4 in.
Front brake	Single semi-floating 250mm petal disc with dual piston caliper
Rear brake	Single 240mm petal disc with single-piston caliper

2009 Kawasaki KX450F Tire and Physical Dimension Specs

Front tire size	90/100-21
Rear tire size	120/80-19
Wheelbase	58.3 in.
Rake	26.7 degrees
Trail	4.6 in.
Overall length	86.0 in.
Overall width	32.3 in.
Overall height	50.4 in.
Seat height	38.0 in.
Curb weight	247.2 lbs.
Fuel capacity	1.8 gal.

2009 Kawasaki KX450F features video on from Youtube.com

Honda CRF230F Specs (2009)

jess — Fri, 12 Dec 2008 07:22:01 +0000

Having dependable 223cc single-cylinder air-cooled four-stroke SOHC engine with 26mm carburetor, lightweight aluminum crankcase, maintenance-free CD ignition, heavy-duty clutch, smooth-shifting, versatile six-speed transmission and heavy-duty O-ring-sealed chain, have made Honda CRF230F progressive, durable, yet smooth and user-friendly for your off-roading activities.

Some unique features are motocross-style seat is low and comfortable, and allows maximum rider movement; Easily detachable number plate; High-impact plastic skidplate protects lower engine cases; Front and rear steel sprockets for durability; Quiet, USDA-qualified spark arrester/muffler; Reusable, foam air filter for reduced maintenance costs, etc. Find more information about Honda CRF230F specs in the following table.

ENGINE

Engine Type	223cc air-cooled single-cylinder four-stroke
Bore And Stroke	65.5mm x 66.2mm
Compression Ratio	9.0:1
Valve Train	SOHC; two-valve
Ignition	CD
Induction	26mm piston-valve carburetor
Transmission	Five-speed
Final Drive	#520 O-ring-sealed chain; 13T/50T

DIMENSION

Rake	27.3^o
Trail	112mm (4.4 inches)
Wheelbase	54.1 inches
Seat Height	34.1 inches
Ground Clearance	11.7 inches
Curb Weigh	249 pounds
Fuel Capacity	1.9 gallons, including 0.4-gallon reserve

CHASSIS/SUSPENSION/BRAKES

Front Suspension	37mm leading-axle Showa fork; 9.5-inch travel
Rear Suspension	Pro-Link Showa single-shock with spring-preload adjustability; 9.0-inch travel
Front Brake	Single 240mm disc
Rear Brake	Drum
Front Tires	80/100-21
Rear Tires	100/100-18

OTHER

Emissions	Meets current CARB and EPA standards. California version differs slightly due to emissions equipment.
Available Colors	Red
Model Id	CRF230F

KTM 530 EXC Specs (2009)

jess — Sun, 23 Nov 2008 02:00:06 +0000

KTM 530 EXC has single cylinder, 4-stroke engine with displacement reach 510.4 cc. This engine equipped with large airbox volume which ensures huge amounts of power and a perfect outer contour provides optimum knee purchase. The frame made with wide profiles and high grade aluminium, optimum stability and low weight. The overhauled WP PDS shock absorber with rebound adjustment and adjustable high/low speed compression damping, guarantees optimum adaptation to the variety of condition. Find more information about KTM 530 EXC Specification in the following table.

ENGINE

Engine type	Single cylinder, 4-stroke
Displacement	510.4 cc
Bore x stroke	95 x 72 mm (3.74 x 2.83″)
Compression ratio	11.9:1
Starter	Kick- and electric starter/12V 4Ah
Transmission	6 gears
Carburetor	Keihin FCR-MX 39
Control	4 V/OHC with roller rocker levers
Lubrication	Pressure lubrication with 3 oil pumps
Engine lubrication	Motorex, SAE 10W-50
Transmission oil	Motorex, SAE 10W-50
Primary ratio	33:76
Final drive	15:45 (13:52)
Cooling	Liquid cooled
Clutch	Wet multi-disc clutch, operated hydraulically
Ignition	Kokusan digital

CHASSIS

Frame	Central double-cradle-type 25CrMo4 steel
Subframe	Aluminium 7020
Handlebar	Neken, Aluminium Ø 28/22 mm (1.10/0.87″)
Front Suspension	WP USD Ø 48 mm (1.89″)
Rear Suspension	WP PDS shock absorber
Suspension travel front/rear	300/335 mm (11.81/13.19″)
Brakes, front/rear	Disc brakes Ø 260/220 mm (10.24/8.66″)
Rims, front/rear	1.60 x 21″; 2.15 x 18″ Excel
Tires, front/rear	90/90-21″; 120/90-18″
Chain	X-ring chain 5/8 x 1/4″
Silencer	Aluminium
Steering head angle	63.5°
Wheel base	1475 ± 10 mm (58.0 ± 0.39″)
Ground clearance	380 mm (15″)
Seat height	985 mm (38.78″)
Tank capacity	approx. 9 liters (2.38 gal)
Weight (ready to race)	approx. 113.9 kg (251.11 lbs)

KTM 450 EXC Specs (2009)

jess — Sun, 23 Nov 2008 01:49:13 +0000

KTM 450 EXC has single cylinder, 4-stroke with total displacement 449.3 cc. The 39 mm Keihin flat side carburetor uses an accelerator pump and side potentiometer to produce instant throttle response and high-end performance for all four-stroke models. An optimized cold start setting also improves starting at low temperatures. Find more information about KTM 450 EXC Specification in the following table.

ENGINE

Engine type	Single cylinder, 4-stroke
Displacement	449.3 cc
Bore x stroke	95 / 63.4 mm (3.74 / 2.5″)
Compression ratio	11.9:1
Starter	Kick- and electric starter/12V 4Ah
Transmission	6 gears
Carburetor	Keihin FCR-MX 39
Control	4 V/OHC with roller rocker levers
Lubrication	Pressure lubrication with 3 oil pumps
Engine lubrication	Motorex, SAE 10W-50
Transmission oil	Motorex, SAE 10W-50
Primary ratio	33:76
Final drive	15:45 (13:52)
Cooling	Liquid cooled
Clutch	Wet multi-disc clutch, operated hydraulically
Ignition	Kokusan

CHASSIS

Frame	Central double-cradle-type 25CrMo4 steel
Subframe	Aluminium 7020
Handlebar	Neken, Aluminium Ø 28/22 mm (1.10/0.87″)
Front Suspension	WP USD Ø 48 mm (1.89″)
Rear Suspension	WP PDS shock absorber
Suspension travel front/rear	300/335 mm (11.81/13.19″)
Brakes, front/rear	Disc brakes Ø 260/220 mm (10.24/8.66″)
Rims, front/rear	1.60 x 21″; 2.15 x 18″ Excel
Tires, front/rear	90/90-21″; 120/90-18″
Chain	X-ring chain 5/8 x 1/4″
Silencer	Aluminium
Steering head angle	63.5°
Wheel base	1475 ± 10 mm (58.0 ± 0.39″)
Ground clearance	380 mm (15″)
Seat height	985 mm (38.78″)
Tank capacity	approx. 9 liters (2.38 gal)
Weight (ready to race)	approx. 113.9 kg (251.11 lbs)

KTM 400 EXC Specs (2009)

jess — Sat, 22 Nov 2008 08:52:38 +0000

KTM 400 EXC is equipped with single cylinder, 4-stroke and total displacement reach 393.4 cc has considerable more torque and extremely uniform power delivery even at lower speeds. Ergonomic tank for ideal contact with the bike. Special KTM airflow system with ducts beneath the spoilers for an optimum fresh air supply to the airbox. Another advantage for racing: transparent polyethylene lets you see the fuel level from the outside. Find more information about KTM 400 EXC specification in the following table.

ENGINE

Engine type	Single cylinder, 4-stroke
Displacement	393.4 cc
Bore x stroke	89/64 mm (3.5/2.52″)
Compression ratio	11.1:1
Starter	Kick- and electric starter/12V 4Ah
Transmission	6 gears
Carburetor	Keihin FCR-MX 39
Control	4 V/OHC with roller rocker levers
Lubrication	Pressure lubrication with 3 oil pumps
Engine lubrication	Motorex, SAE 10W-50
Transmission oil	Motorex, SAE 10W-50
Primary ratio	33:76
Final drive	15:45 (13:52)
Cooling	Liquid cooled
Clutch	Wet multi-disc clutch, operated hydraulically
Ignition	Kokusan

CHASSIS

Frame	Central double-cradle-type 25CrMo4 steel
Subframe	Aluminium 7020
Handlebar	Neken, Aluminium Ø 28/22 mm (1.10/0.87″)
Front Suspension	WP USD Ø 48 mm (1.89″)
Rear Suspension	WP PDS shock absorber
Suspension travel front/rear	300/335 mm (11.81/13.19″)
Brakes, front/rear	Disc brakes Ø 260/220 mm (10.24/8.66″)
Rims, front/rear	1.60 x 21″; 2.15 x 18″ Excel
Tires, front/rear	90/90-21″; 120/90-18″
Chain	X-ring chain 5/8 x 1/4″
Silencer	Aluminium
Steering head angle	63.5°
Wheel base	1471 ± 10 mm (57.91 ± 0.39″)
Ground clearance	380 mm (15″)
Seat height	985 mm (38.78″)
Tank capacity	approx. 9 liters (2.38 gal)
Weight (ready to race)	approx. 113.9 kg (251.11 lbs)